The map above shows Arizona and Louisiana side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Arizona vs Louisiana Geography
Land area: Arizona has a land area of 113,655 square miles (294,366 km²), while Louisiana has 43,213 square miles (111,921 km²). Arizona's land area is 2.6 times (163%) larger than Louisiana's.
Total area: Arizona: 113,985 square miles (295,220 km²) vs Louisiana: 52,375 square miles (135,652 km²), including inland and coastal water. Arizona's total area is 2.2 times (118%) larger than Louisiana's.
Length: Arizona is 429 miles (690 km) long from north to south; Louisiana is 301 miles (484 km). Arizona's north-south length is 1.4 times (43%) longer than Louisiana's.
Width: Arizona spans 452 miles (727 km) east to west; Louisiana spans 356 miles (574 km). Arizona's east-west width is 1.3 times (27%) wider than Louisiana's.
Highest point: Arizona's highest point is Humphreys Peak at 12,620 feet (3,847 m); Louisiana's is Driskill Mountain at 533 feet (162 m). Humphreys Peak is 12,087 feet higher than Driskill Mountain.
Lowest point: Arizona's lowest point is Colorado River at 71 feet; Louisiana's is New Orleans at -8 feet. Louisiana's lowest point is 79 feet lower.
Arizona vs Louisiana Population and History
Population: Arizona has a population of 7,582,384 (2024), while Louisiana has 4,597,740 (2024). Arizona's population is 1.6 times (65%) larger than Louisiana's.
Population density: Arizona: 66.7 people per square mile vs Louisiana: 106.4. Louisiana's population density is 1.6 times (60%) higher than Arizona's.
Biggest city: Arizona's biggest city is Phoenix with 1,673,164 people; Louisiana's is New Orleans with 362,701. Phoenix's population is 4.6 times (361%) larger than New Orleans'.
Largest metro area: Arizona's largest metropolitan area is Phoenix-Mesa-Chandler, AZ metro area (5,186,958 people) vs Louisiana's New Orleans-Metairie, LA metro area (966,230). Phoenix-Mesa-Chandler, AZ metro area's population is 5.4 times (437%) larger than New Orleans-Metairie, LA metro area's.
History: Arizona: Admitted to the Union on February 14, 1912, as the 48th state. Louisiana: Admitted to the Union on April 30, 1812, as the 18th state. In its current form, Louisiana is the older of the two by 100 years.
Arizona vs Louisiana Economy
GDP: Arizona's GDP is $570.1 billion (2024) vs Louisiana's $329.2 billion. Arizona's economic output is 1.7 times (73%) larger than Louisiana's.
GDP per capita: Arizona: $75,186 per person vs Louisiana: $71,594. Arizona's GDP per capita is 1.1 times (5%) higher than Louisiana's.
Average income: Arizona: $65,798 vs Louisiana: $61,897 average income per person (per capita personal income). Arizona's average income is 1.1 times (6%) higher than Louisiana's.
Arizona vs Louisiana Counties
Number of counties: Arizona has 15 counties, while Louisiana has 64. Louisiana's county count is 4.3 times (327%) higher than Arizona's.
Biggest county by area: Arizona's largest county is Coconino County at 18,616 square miles; Louisiana's is Vernon Parish at 1,327 square miles. Coconino County's land area is 14.0 times larger than Vernon Parish's.
Smallest county by area: Arizona: Santa Cruz County (1,236 sq mi) vs Louisiana: Orleans Parish (170 sq mi). Santa Cruz County's land area is 7.3 times (629%) larger than Orleans Parish's.
Most populous county: Arizona: Maricopa County (4,673,096 people) vs Louisiana: East Baton Rouge Parish (453,022 people). Maricopa County's population is 10.3 times larger than East Baton Rouge Parish's.
Least populous county: Arizona: Greenlee County (9,410 people) vs Louisiana: Tensas Parish (3,844 people). Greenlee County's population is 2.4 times (145%) larger than Tensas Parish's.
Richest county: Arizona: Maricopa County ($72,176 per capita income) vs Louisiana: St. Tammany Parish ($82,398). St. Tammany Parish's income is 1.1 times (14%) richer than Maricopa County's.
Poorest county: Arizona: Graham County ($44,164 per capita income) vs Louisiana: East Carroll Parish ($36,751). Graham County's income is 1.2 times (20%) richer than East Carroll Parish's.
Arizona vs Louisiana Taxes
State income tax: Arizona has a top income tax rate of 2.5%, while Louisiana has a top income tax rate of 3%. Louisiana's top rate is 0.5 percentage points higher.
Property tax: Arizona: 0.43% effective rate vs Louisiana: 0.53% of home value per year. Louisiana's rate is 0.1 percentage points higher.
Sales tax: Arizona: 8.54% combined state and average local rate vs Louisiana: 10.13%. Louisiana's combined rate is 1.59 percentage points higher.
Official Websites
Arizona official website · Louisiana official website
More Size Comparisons
All Arizona size comparisons · All Louisiana size comparisons
Area, elevation and boundary figures come from official national statistics and US Census Bureau and Natural Earth boundary data; US state population, economic, county and tax figures come from the US Census Bureau, the Bureau of Economic Analysis and the Tax Foundation. Figures are rounded and for general reference.